Home / 27,038.68-40,558.24-7,317.40

Finding the Fourth Proportional to 27,038.68, 40,558.24 and 7,317.40

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Solution

The fourth proportional to 27,038.68, 40,558.24 and 7,317.40 is: 10,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.68 : 40,558.24 = 7,317.40 : x
  2. Step 2: Convert to fraction form
    27,038.68/40,558.24 = 7,317.40/x
  3. Step 3: Cross multiply
    27,038.68x = 40,558.24 × 7,317.40
  4. Step 4: Simplify right side
    27,038.68x = 296,780,865.38
  5. Step 5: Solve for x
    x = 296,780,865.38/27,038.68
  6. Step 6: Final answer
    x = 10,976.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.